Evidence map›Paper›PMID 23985316›Full record

ArticleGenome biology2013

The genome and transcriptome of Haemonchus contortus, a key model parasite for drug and vaccine discovery.

Roz Laing, Taisei Kikuchi, Axel Martinelli, Isheng J Tsai, Robin N Beech, Elizabeth Redman, Nancy Holroyd, David J Bartley, Helen Beasley, Collette Britton and 17 more

Open access · goldAbstract read
In one paragraph

Article in Genome biology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 189 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
189citing papers in PubMed, 2 pooled it
44.2field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

189 citing papers in PubMed, 2 syntheses or guidelines pooled it, 374 citations in OpenAlex.

  1. Pooled it
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129 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

27 authors at 8 institutions in 4 countries.

Roz Laing
Taisei Kikuchi
Axel Martinelli
Isheng J Tsai
Robin N Beech
Elizabeth Redman
Nancy Holroyd
David J Bartley
Helen Beasley
Collette Britton
David Curran
Eileen Devaney
Aude Gilabert
Martin Hunt
Frank Jackson
Stephanie L Johnston
Ivan Kryukov
Keyu Li
Alison A Morrison
Adam J Reid
Neil Sargison
Gary I Saunders
James D Wasmuth
Adrian Wolstenholme
Matthew Berriman
John S Gilleard
James A Cotton
Wellcome Sanger Institute · GBUniversity of Calgary · CAUniversity of Glasgow · GBMoredun Research Institute · GBMcGill University · CAUniversity of Edinburgh · GBUniversity of Georgia · USUniversity of Miyazaki · JP

Funding

Biotechnology and Biological Sciences Research Council BB/E018130/1CIHR 230927Wellcome Trust 067811Wellcome Trust 098051
6 · The paper itself

Abstract

backgroundThe small ruminant parasite Haemonchus contortus is the most widely used parasitic nematode in drug discovery, vaccine development and anthelmintic resistance research. Its remarkable propensity to develop resistance threatens the viability of the sheep industry in many regions of the world and provides a cautionary example of the effect of mass drug administration to control parasitic nematodes. Its phylogenetic position makes it particularly well placed for comparison with the free-living nematode Caenorhabditis elegans and the most economically important parasites of livestock and humans.

resultsHere we report the detailed analysis of a draft genome assembly and extensive transcriptomic dataset for H. contortus. This represents the first genome to be published for a strongylid nematode and the most extensive transcriptomic dataset for any parasitic nematode reported to date. We show a general pattern of conservation of genome structure and gene content between H. contortus and C. elegans, but also a dramatic expansion of important parasite gene families. We identify genes involved in parasite-specific pathways such as blood feeding, neurological function, and drug metabolism. In particular, we describe complete gene repertoires for known drug target families, providing the most comprehensive understanding yet of the action of several important anthelmintics. Also, we identify a set of genes enriched in the parasitic stages of the lifecycle and the parasite gut that provide a rich source of vaccine and drug target candidates.

conclusionsThe H. contortus genome and transcriptome provide an essential platform for postgenomic research in this and other important strongylid parasites.

Indexed as

Genes, HelminthGenome, HelminthPhylogenyTranscriptomeAnimalsAnthelminticsAntigens, HelminthCaenorhabditis elegansDrug ResistanceGene Expression RegulationHaemonchiasisHaemonchusHost-Parasite InteractionsSequence Homology, Nucleic AcidSheepSheep DiseasesAnthelminticsAntigens, Helminth

Identifiers

PMID23985316
PMCPMC4054779
OpenAlexW2101439782

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.